Character recognition. There are two basic types of core OCR algorithm, which may produce a ranked list of candidate characters. Matrix matching involves comparing an image to a stored glyph on a pixel-by-pixel basis; it is also known as pattern matching, pattern recognition, or image correlation.
1 Liquid Fire, eight-piece rock band from Saint Joseph, Missouri. 2  A single from L'Enfant Sauvage, the fifth album by the French progressive death / groove metal band Gojira.
Gaseous fire suppression. Gaseous fire suppression is a term to describe the use of inert gases and chemical agents to extinguish a fire. Also called clean agent fire suppression. These agents are governed by the National Fire Protection Association (NFPA) Standard for Clean Agent Fire Extinguishing Systems â NFPA 2001 in the USA, with different standards and regulations in other parts of the world.